function showAlert( html ){
	
	$("#alertMensagem div.innerMensagem").html(html)
	
	if ( $("#alertMensagem").css('display') != "block" ){
		$("#alertMensagem").slideDown('fast')
	}
	
	//setTimeout( focusMensagem, 600 )
	
	function focusMensagem(){
		location = '#alertMensagem';
	}
	
}

function retiraAlert(){
	$("#alertMensagem").slideUp('fast')
}

function is_email(v){
	if (v.search(/^[a-zA-Z0-9]+[_a-zA-Z0-9-]*(\.[_a-z0-9-]+)*@[a-z?G0-9]+(-[a-z?G0-9]+)*(\.[a-z?G0-9-]+)*(\.[a-z]{2,4})$/) != -1) return true;
	else return false;
}

//******************************************************************************
//									CAPTCHA
//******************************************************************************

function alteraCaptcha(){
	$.post("/captcha/alteraImgCaptcha/",{
			//sem parâmetros
		},function( response ){
			$( "#captcha" ).html(response)
	});
}